Sensing reference signal sending method, sensing reference signal receiving method, sensing transmitter and sensing receiver

Abstract

The invention relates to a sensing reference signal sending method, a sensing reference signal receiving method, a sensing transmitter and a sensing receiver. Wherein the sensing transmitter determines a first position set and a second position set according to parameters used for determining the positions of the subcarriers, obtains the position set of the subcarriers according to the first position set and the second position set, and then sends sensing reference signals according to the positions of the subcarriers indicated by the position set of the subcarriers. The sensing receiver determines a first position set and a second position set according to the parameters used for determining the positions of the subcarriers, obtains the position set of the subcarriers according to the first position set and the second position set, and then receives the sensing reference signals according to the positions of the subcarriers indicated by the position set of the subcarriers.

Description

Perception reference signal sending and receiving method, perception transmitter, and perception receiver Technical Field

[0001] The present disclosure relates to the field of communication technologies, and in particular to a method for sending and receiving a perception reference signal, a perception transmitter, and a perception receiver. Background Art

[0002] In wireless sensing, it is usually necessary to estimate the distance, azimuth angle, and speed of the sensing target based on a sensing reference signal. A sensing transmitter needs to send a sensing reference signal, and a sensing receiver needs to receive the sensing reference signal.

[0003] Summary of the Invention

[0004] The embodiments of the present disclosure propose a method for sending and receiving a perception reference signal, a perception transmitter, and a perception receiver.

[0005] According to a first aspect of an embodiment of the present disclosure, a method for sending a perception reference signal is proposed, which is performed by a perception transmitter in a perception network. The method includes:

[0006] Determine a first position set and a second position set according to a parameter used to determine a subcarrier position, where the first position set and the second position set are used to indicate a subcarrier position;

[0007] Obtain a subcarrier position set according to the first position set and the second position set;

[0008] Sending a perception reference signal according to the subcarrier position indicated by the subcarrier position set;

[0009] The parameters used to determine the subcarrier position include:

[0010] The minimum frequency domain spacing K of the perceptual reference signal resource particles min , K min is a positive integer;

[0011] The first parameter N is a positive integer greater than 1.

[0012] According to a second aspect of an embodiment of the present disclosure, a method for receiving a perception reference signal is proposed, which is performed by a perception receiver in a perception network. The method includes:

[0013] Determine a first position set and a second position set according to a parameter used to determine a subcarrier position, where the first position set and the second position set are used to indicate a subcarrier position;

[0014] Obtaining a subcarrier position set according to the first position set and the second position set;

[0015] receiving a perception reference signal according to a subcarrier position indicated by the subcarrier position set;

[0016] The parameters used to determine the subcarrier position include:

[0017] The minimum frequency domain spacing K of the perceptual reference signal resource particles min , K min is a positive integer;

[0018] The first parameter N is a positive integer greater than 1.

[0019] According to a third aspect of an embodiment of the present disclosure, a cognitive transmitter is proposed, including:

[0020] a processing module configured to determine a first position set and a second position set according to a parameter used to determine subcarrier positions, and obtain a subcarrier position set according to the first position set and the second position set, where the first position set and the second position set are used to indicate subcarrier positions;

[0021] a transceiver module configured to send a perception reference signal according to the subcarrier position indicated by the subcarrier position set;

[0022] The parameters used to determine the subcarrier position include:

[0023] The minimum frequency domain spacing K of the perceptual reference signal resource particles min , K min is a positive integer;

[0024] The first parameter N is a positive integer greater than 1.

[0025] According to a fourth aspect of an embodiment of the present disclosure, a perceptual receiver is provided, including:

[0026] a processing module configured to determine a first position set and a second position set according to a parameter used to determine subcarrier positions, and obtain a subcarrier position set according to the first position set and the second position set, where the first position set and the second position set are used to indicate subcarrier positions;

[0027] a transceiver module, configured to receive a perception reference signal according to a subcarrier position indicated by the subcarrier position set;

[0028] The parameters used to determine the subcarrier position include:

[0029] The minimum frequency domain spacing K of the perceptual reference signal resource particles min , K min is a positive integer;

[0030] The first parameter N is a positive integer greater than 1.

[0031] According to a fifth aspect of the embodiments of the present disclosure, an electronic device is provided, including:

[0032] one or more processors;

[0033] The electronic device is used to execute the perception reference signal sending method provided in the first aspect of the embodiment of this disclosure.

[0034] According to a sixth aspect of the embodiments of the present disclosure, an electronic device is provided, including:

[0035] one or more processors;

[0036] The electronic device is used to execute the perception reference signal receiving method provided in the second aspect of the embodiment of this disclosure.

[0037] According to a seventh aspect of the embodiments of the present disclosure, a perception network is proposed, including:

[0038] A perception transmitter, configured to execute the perception reference signal sending method provided in the first aspect of the embodiments of the present disclosure;

[0039] A perceptual receiver is configured to execute the perceptual reference signal receiving method provided in the second aspect of the embodiments of the present disclosure.

[0040] According to an eighth aspect of the embodiments of the present disclosure, a storage medium is provided, wherein the storage medium stores instructions. When the instructions are executed on an electronic device, the electronic device executes the method for sending a perception reference signal provided in the first aspect of the embodiments of the present disclosure, or executes the method for receiving a perception reference signal provided in the second aspect of the embodiments of the present disclosure.

[0041] The embodiment of the present disclosure determines a final subcarrier position set according to the first position set and the second position set, and sends and receives a perception reference signal according to the final subcarrier position set. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the following drawings required for describing the embodiments are introduced. The following drawings are merely some embodiments of the present disclosure and do not impose specific limitations on the protection scope of the present disclosure.

[0043] FIG1 is a schematic diagram of the architecture of a perception network provided according to an embodiment of the present disclosure.

[0044] FIG2A is a schematic flow chart of a method for sending a perception reference signal according to an embodiment of the present disclosure.

[0045] FIG2B is a schematic flow chart of a method for sending a perception reference signal according to an embodiment of the present disclosure.

[0046] FIG2C is a schematic flow chart of a method for sending a perception reference signal according to an embodiment of the present disclosure.

[0047] FIG3A is a schematic flow chart of a method for receiving a perception reference signal according to an embodiment of the present disclosure.

[0048] FIG3B is a schematic flow chart of a method for receiving a perception reference signal according to an embodiment of the present disclosure.

[0049] FIG3C is a schematic flow chart of a method for receiving a perception reference signal according to an embodiment of the present disclosure.

[0050] FIG4A is a schematic diagram of the structure of a cognitive transmitter in a cognitive network according to an embodiment of the present disclosure.

[0051] FIG4B is a schematic diagram of the structure of a perceptual receiver in a perceptual network according to an embodiment of the present disclosure.

[0052] FIG5 is a schematic structural diagram of an electronic device provided according to an embodiment of the present disclosure. DETAILED DESCRIPTION

[0053] The present disclosure provides a method for transmitting and receiving a perceptual reference signal, a perceptual transmitter, and a perceptual receiver. In some embodiments, the perceptual reference signal transmitting method and the perceptual reference signal receiving method can be interchangeably referred to as a subcarrier determination method and a perceptual method.

[0054] The embodiments of the present disclosure are not exhaustive and are merely illustrative of some embodiments, and are not intended to be a specific limitation on the scope of protection of the present disclosure. In the absence of contradiction, each step in a certain embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined. For example, a solution after removing some steps in a certain embodiment can also be implemented as an independent embodiment, and the order of the steps in a certain embodiment can be arbitrarily exchanged. In addition, the optional implementation methods in a certain embodiment can be arbitrarily combined; in addition, the embodiments can be arbitrarily combined. For example, some or all steps of different embodiments can be arbitrarily combined, and a certain embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.

[0055] In each embodiment of the present disclosure, unless otherwise specified or provided for by logic, the terms and / or descriptions between the embodiments are consistent and can be referenced by each other. The technical features in different embodiments can be combined to form a new embodiment based on their inherent logical relationships.

[0056] The terms used in the embodiments of the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure. The singular expressions "a," "an," "the," "above," "said," "aforementioned," "this," etc. in the embodiments of the present disclosure also include plural expressions, unless there is a clear contrary indication in the context. The predefined in the embodiments of the present disclosure can be understood as definition, pre-definition, storage, pre-storage, pre-negotiation, pre-configuration, curing, or pre-firing, etc.

[0057] Prefixes such as "first" and "second" in the embodiments of the present disclosure are only used to distinguish different description objects, and have no limiting effect on the position, order, priority, quantity or content of the described objects. For example, if the described object is a "field", then the ordinal number before the "field" in the "first field" and the "second field" does not limit the position or order between the "fields", and "first" and "second" do not limit whether the "fields" they modify are in the same message, nor do they limit the order of the "first field" and the "second field". For another example, if the described object is a "level", then the ordinal number before the "level" in the "first level" and the "second level" does not limit the priority between the "levels". For another example, the number of described objects is not limited by the ordinal number and can be one or more. Taking the "first device" as an example, the number of "devices" can be one or more. Furthermore, the objects modified by different prefixes can be the same or different. For example, if the object being described is a "device," then the "first device" and the "second device" can be devices of the same type or different types. For another example, if the object being described is "information," then the "first information" and the "second information" can be information of the same content or information of different contents. In summary, the use of prefixes such as ordinal numbers in the embodiments of the present disclosure to distinguish between the described objects does not constitute a limitation on the described objects. For a description of the described objects, refer to the contextual description in the claims or embodiments, and the use of such prefixes should not constitute an unnecessary limitation.

[0058] In the embodiments of the present disclosure, "multiple" refers to two or more. In the embodiments of the present disclosure, "and / or" is used to describe the association relationship of associated objects, indicating three relationships that can exist independently. For example, A and / or B can mean: A exists alone, B exists alone, and A and B exist at the same time. In the embodiments of the present disclosure, descriptions such as "at least one of Al, A2, ..., An (or at least one, at least one)" include the situation where any one of Al, A2, ..., An exists alone, and also include any combination of any multiple of Al, A2, ..., An, each of which can exist alone; for example, the description of "at least one of A, B, C" includes the situation where A exists alone, B exists alone, C exists alone, A and B are combined, A and C are combined, B and C are combined, and A and B and C are combined.

[0059] In some embodiments, descriptions such as "in one case A, in another case B," or "in response to one case A, in response to another case B," may include the following technical solutions depending on the situation: executing A independently of B (in some embodiments, A); executing B independently of A (in some embodiments, B); selectively executing A and B (in some embodiments, selecting between A and B); and executing both A and B (in some embodiments, A and B). The same applies when there are more branches, such as A, B, and C.

[0060] In some embodiments, terms such as "in response to...", "in response to determining...", "in the case of...", "at the time of...", "when...", "if...", "if...", etc. can be used interchangeably.

[0061] In some embodiments, “including A,” “comprising A,” “used to indicate A,” and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.

[0062] In some embodiments, terms such as "greater than", "greater than or equal to", "above", "higher than", and "not less than" can be replaced with each other, and terms such as "less than", "less than or equal to", "below", "lower than", and "not greater than" can be replaced with each other.

[0063] In some embodiments, the terms "radio", "wireless", "Radio Access Network (RAN)", "Access Network (AN)", "RAN-based" and the like are interchangeable.

[0064] In some embodiments, "predetermined" or "preset" may be interpreted as being stipulated in advance in a protocol, or as a device performing a pre-set action.

[0065] In some embodiments, devices, etc. can be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments. Terms such as "device", "equipment", "device", "network element", "node", "function", "unit", "entity", "system", "chip", "chip system", and "subject" can be used interchangeably.

[0066] In some embodiments, the names of information, etc. are not limited to the names described in the embodiments, and terms such as "information", "message", "signaling", "report", "configuration", "instruction", "parameter", and "data" can be used interchangeably.

[0067] In some embodiments, the terms "instructions," "programs," and the like are interchangeable.

[0068] In some embodiments, "obtain", "get", "obtain", "receive", and "transmit (send and / or receive)" can be used interchangeably, and can be interpreted as receiving from other entities, obtaining from protocols, obtaining by self-processing, autonomous implementation, and other meanings.

[0069] In some embodiments, "send", "report", "send", and "transmit (send and / or receive)" can be used interchangeably.

[0070] In some embodiments, obtaining data, information, etc. may comply with the laws and regulations of the country where the data is obtained.

[0071] In some embodiments, data, information, etc. may be obtained with the user's consent.

[0072] In some embodiments, the terms terminal, terminal device, user equipment (UE), user terminal, mobile station (MS), mobile terminal (MT), subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client, etc. can be used interchangeably.

[0073] In some embodiments, terms such as base station, network device, access network device, gNB, etc. can be used interchangeably.

[0074] Although operations are described in a particular order in the accompanying drawings in the disclosed embodiments, this should not be construed as requiring that the operations be performed in the particular order shown or in a serial order, or that all of the operations shown be performed to obtain the desired result. In certain circumstances, multitasking and parallel processing may be advantageous. Furthermore, sending multiple messages via the same message may also be advantageous.

[0075] Figure 1 is a schematic diagram of the architecture of a perceptual network according to an embodiment of the present disclosure. As shown in Figure 1, the perceptual network includes a perceptual transmitter 1101 and a perceptual receiver 1102, wherein the perceptual transmitter 1101 is used to send a perceptual reference signal, and the perceptual receiver 1102 is used to receive and measure the perceptual reference signal. It should be noted that the number of perceptual transmitters 1101 and the number of perceptual receivers 1102 shown in Figure 1 are merely examples and do not constitute a limitation on the embodiments of the present disclosure. In actual situations, there may be one or more perceptual transmitters 1101 and one or more perceptual receivers 1102.

[0076] In some embodiments, the perceptual transmitter 1101 and the perceptual receiver 1102 may both be base stations.

[0077] In some embodiments, the perceptual transmitter 1101 may be a base station, and the perceptual receiver 1102 may be a terminal.

[0078] In some embodiments, the perceptual transmitter 1101 may be a terminal, and the perceptual receiver 1102 may be a base station.

[0079] In some embodiments, the perceptual transmitter 1101 and the perceptual receiver 1102 may both be terminals.

[0080] In some embodiments, the base station may include an evolved NodeB (eNB), a next generation NodeB (gNB) in a new radio (NR) system, a base station in other future communication systems, etc., but is not limited thereto.

[0081] In some embodiments, the terminal may include at least one of a mobile phone, a wearable device, an Internet of Things device, a car with communication capabilities, a smart car, a tablet computer, a computer with wireless transceiver capabilities, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, and a wireless terminal device in a smart home, but is not limited thereto.

[0082] Wireless sensing typically requires estimating the target's distance, azimuth angle (such as horizontal and vertical angles), and velocity. To improve distance estimation accuracy, wireless sensing networks require high time-domain resolution, which depends on bandwidth. In other words, the reference signal used for wireless sensing, known as the sensing reference signal, requires a large bandwidth.

[0083] In related technologies, sensing reference signals typically use a uniform comb pattern in the frequency domain. For example, positioning reference signals used in positioning, one of the sensing applications, are evenly spaced in the frequency domain. Within a given bandwidth, comb patterns have drawbacks such as reference signal overhead, power limitations, and channel impulse response (CIR) ambiguity.

[0084] If the frequency domain spacing of the perception reference signal is set too small, that is, the frequency domain density is too high, then the overhead of the perception reference signal will be too large, a large amount of valuable spectrum resources will be wasted, and ultimately the spectrum efficiency will be reduced. On the other hand, when the total transmit power is constant, if the frequency domain spacing of the perception reference signal is too small, the power on each perception reference signal resource element (RE), that is, the EPRE (energy per resource element), will be too low, which will inevitably reduce the perception accuracy and performance.

[0085] If the frequency domain spacing of the sensing reference signal is set too large, that is, the frequency domain density is too low, then undersampling will cause the sensing receiver to observe multiple images of the channel impulse response, resulting in timing ambiguity and perception errors.

[0086] FIG2A is a flow chart illustrating a method for transmitting a perception reference signal according to an embodiment of the present disclosure. As shown in FIG2A , an embodiment of the present disclosure relates to a method for transmitting a perception reference signal. In some embodiments, the method for transmitting a perception reference signal can be used for a perception transmitter in a perception network. The method for transmitting a perception reference signal includes:

[0087] Step S2101: Determine a first position set and a second position set according to parameters used to determine subcarrier positions.

[0088] In some embodiments, the first set of positions and the second set of positions are used to indicate subcarrier positions.

[0089] In some embodiments, the first position set includes one or more elements, each element is used to indicate a corresponding subcarrier position. Optionally, each element may be a number.

[0090] In some embodiments, the second position set includes one or more elements, each element being used to indicate a corresponding subcarrier position. Optionally, each element may be a number.

[0091] Step S2102: Obtain a subcarrier position set according to the first position set and the second position set.

[0092] In some embodiments, a union of the subcarrier positions in the first position set and the second position set may be taken to obtain a subcarrier position set.

[0093] Step S2103: Send a perception reference signal according to the subcarrier position indicated by the subcarrier position set.

[0094] According to the above technical solution, the perception transmitter in the perception network can first determine a first position set and a second position set for indicating the subcarrier position based on the parameters used to determine the subcarrier position, obtain a final subcarrier position set based on the first position set and the second position set, and then send a perception reference signal based on the subcarrier position indicated in the final subcarrier position set, thereby realizing the sending of the perception reference signal.

[0095] In some embodiments, the last subcarrier position in the first set of positions may be the same as the first subcarrier position in the second set of positions.

[0096] In some embodiments, all subcarrier positions in the first set of positions may be different from all subcarrier positions in the second set of positions.

[0097] In some embodiments, the subcarrier positions indicated by the first position set are evenly distributed, the subcarrier positions indicated by the second position set are evenly distributed, and the subcarrier frequency domain spacing in the first position set is different from the subcarrier frequency domain spacing in the second position set.

[0098] In some embodiments, the subcarrier positions of the subcarrier position set indication are non-uniformly distributed.

[0099] According to the above technical solution, the perceptual transmitter first determines a first set of positions and a second set of positions in which subcarrier positions are uniformly distributed, and the subcarrier frequency domain intervals of the first set and the second set of positions are different. This results in a set of subcarrier positions in which the subcarrier positions are non-uniformly distributed, so that the perceptual transmitter transmits a perceptual reference signal based on the non-uniformly distributed subcarrier positions. Compared to conventional uniform comb patterns, the frequency domain pattern of the perceptual reference signal with a frequency domain non-uniform distribution provided by the subcarrier position set in the embodiment of the present disclosure can achieve a larger uniform degree of freedom in the Khatri-Rao subspace and prevent the perceptual receiver from observing multiple mirror images of the channel impulse response.

[0100] In some embodiments, the frequency domain spacing of the subcarriers in the first position set is the minimum frequency domain spacing K of the sensing reference signal resource element. min Among them, K min Is a positive integer.

[0101] In some embodiments, the frequency domain spacing of the subcarriers in the second position set is equal to the minimum frequency domain spacing K of the sensing reference signal resource element. min Related to the first parameter N. Among them, K min is a positive integer, and N is a positive integer greater than 1.

[0102] In some embodiments, the parameters used to determine the subcarrier positions include:

[0103] The minimum frequency domain spacing K of the perceptual reference signal resource particles min , K min is a positive integer;

[0104] The first parameter N is a positive integer greater than 1.

[0105] In some embodiments, the minimum frequency domain spacing K of the perceptual reference signal resource particles is min May be predefined by the protocol.

[0106] In some embodiments, K min ∈{2,4,6,12}.

[0107] Based on the above parameters, some optional implementations for determining the first position set and the second position set based on the parameters used to determine subcarrier positions in step S2101 are described below. For example, the first position set and the second position set may be determined according to any of the following implementations 1.1, 1.2, and 1.3. Of course, the embodiments of the present disclosure do not exclude the possibility of determining the first position set and the second position set using other implementations.

[0108] Implementation 1.1:

[0109] In this implementation, based on the formula nK min , the variable n is from 0 to integer, get the first position set; based on the formula For variable n, take values ​​from 1 to An integer of , and the second position set is obtained.

[0110] in, Express Round down, Express Round up.

[0111] It can be understood that each number in the first position set and the second position set respectively indicates a subcarrier position in an OFDM (Orthogonal Frequency Division Multiplexing) system.

[0112] In this implementation, the subcarrier positions indicated by the first position set are uniformly distributed, and the number of subcarrier positions is The subcarrier frequency domain spacing is K min .

[0113] In this implementation, the subcarrier positions indicated by the second position set are evenly distributed, and the number of subcarrier positions is The subcarrier frequency domain spacing is

[0114] In this implementation, the first position set can be expressed as:

[0115] In this implementation, the second position set can be expressed as:

[0116] Alternatively, the subcarrier position set may be expressed as:

[0117] For example, suppose K min=3, N = 5, then: S1 = {0, 3, 6}, S2 = {6, 15, 24}. Therefore, after taking the union of the first position set and the second position set, the obtained subcarrier position set is: S = {0, 3, 6, 15, 24}.

[0118] For another example, suppose K min =4, N =6, then: S1 = {0, 4, 8, 12}, S2 = {12, 28, 44}. Therefore, after taking the union of the first position set and the second position set, the obtained subcarrier position set is: S = {0, 4, 8, 12, 28, 44}.

[0119] In this implementation, the last subcarrier position in the first set of positions is the same as the first subcarrier position in the second set of positions.

[0120] Implementation 1.2:

[0121] In this implementation, based on the formula nK min , the variable n is from 0 to integer, get the first position set; based on the formula For variable n, take values ​​from 1 to An integer of , and the second position set is obtained.

[0122] In this implementation, the subcarrier positions indicated by the first position set are evenly distributed, and the number of subcarrier positions is The subcarrier frequency domain spacing is K min .

[0123] In this implementation, the subcarrier positions indicated by the second position set are evenly distributed, and the number of subcarrier positions is The subcarrier frequency domain spacing is

[0124] In this implementation, the first position set can be expressed as:

[0125] In this implementation, the second position set can be expressed as:

[0126] Alternatively, the subcarrier position set may be expressed as:

[0127] For example, suppose K min =4, N = 6, then: S1 = {0, 4, 8}, S2 = {12, 28, 44}. Therefore, after taking the union of the first position set and the second position set, the obtained subcarrier position set is: S = {0, 4, 8, 12, 28, 44}.

[0128] In this implementation, all subcarrier positions in the first set of positions are different from all subcarrier positions in the second set of positions.

[0129] Implementation 1.3:

[0130] In this implementation, based on the formula nK min , the variable n is from 0 to integer, get the first position set; based on the formula For variable n, take values ​​from 1 to An integer of , and the second position set is obtained.

[0131] In this implementation, the subcarrier positions indicated by the first position set are evenly distributed, and the number of subcarrier positions is The subcarrier frequency domain spacing is K min .

[0132] In this implementation, the subcarrier positions indicated by the second position set are evenly distributed, and the number of subcarrier positions is The subcarrier frequency domain spacing is

[0133] In this implementation, the first position set can be expressed as:

[0134] In this implementation, the second position set can be expressed as:

[0135] Alternatively, the subcarrier position set may be expressed as:

[0136] For example, suppose K min =4, N = 6, then: S1 = {0, 4, 8, 12}, S2 = {28, 44}. Therefore, after taking the union of the first position set and the second position set, the obtained subcarrier position set is: S = {0, 4, 8, 12, 28, 44}.

[0137] In this implementation, all subcarrier positions in the first set of positions are different from all subcarrier positions in the second set of positions.

[0138] According to the above-mentioned optional implementation methods 1.1, 1.2 and 1.3, the frequency domain pattern of the perception reference signal with non-uniform frequency domain distribution provided by the subcarrier position set in the embodiment of the present disclosure can reduce the resource overhead and total transmission power of the perception reference signal, and can achieve higher time domain resolution and higher perception accuracy.

[0139] Specifically, while achieving the same time domain resolution (depending on the frequency domain bandwidth) and perception accuracy, the embodiments of the present disclosure can significantly reduce the resource overhead and total transmission power of the perception reference signal.

[0140] Using the above example, in the minimum frequency domain interval K min When the value of is 4, the subcarrier position set is S = {0, 4, 8, 12, 28, 44}. That is, the perception reference signal bandwidth includes 45 subcarriers, and in the bandwidth of 45 subcarriers, a total of 6 subcarriers are used to send the perception reference signal. For the uniform comb pattern scheme, assuming that the frequency domain interval is also set to 4, 12 subcarriers are required in the same bandwidth of 45 subcarriers. It can be seen that, under the same bandwidth, the embodiment of the present disclosure can use fewer subcarriers to send the perception reference signal, thereby reducing the resource overhead and total transmission power of the perception reference signal.

[0141] Under the same total transmit power, the embodiments of the present disclosure can enable the resource elements (REs) where the perception reference signals are located to have higher signal power (EPRE) and signal-to-interference-and-noise ratio (SINR), thereby achieving more accurate perception performance.

[0142] Continuing with the above example, assuming a total transmit power of 10W, the total transmit power is distributed across 6 subcarriers, with the power allocated to each subcarrier being 10 / 6W. For a uniform comb pattern, the total transmit power is distributed across 12 subcarriers, with the power allocated to each subcarrier being 10 / 12W. Thus, with the same total transmit power, the disclosed embodiments enable each sensing reference signal resource element (RE) to have a higher signal power (EPRE).

[0143] With the same perception reference signal resource overhead, the embodiments of the present disclosure can obtain a wider bandwidth, thereby achieving higher time domain resolution and more accurate perception performance.

[0144] Still using the above example, the 6 subcarriers in the embodiment of the present disclosure can obtain a bandwidth of 45 subcarriers, while for the uniform comb pattern solution, the same 6 subcarriers can only obtain a bandwidth of 21 subcarriers. It can be seen that the embodiment of the present disclosure can obtain a wider bandwidth.

[0145] In addition, integrated sensing and communication (ISAC) can combine wireless communication and wireless perception, so that part of the frequency domain resources can be used for both wireless perception and wireless communication. Since the embodiments of the present disclosure can reduce the subcarrier resources required for wireless perception, more subcarrier resources can be used for wireless communication, which is beneficial to wireless communication.

[0146] In addition, in some embodiments, step S2101 may also be based on the minimum frequency domain spacing K of the perceptual reference signal resource element. min and a pair of mutually prime positive integers to calculate the first position set and the second position set. Compared with this embodiment, the embodiment provided in the previous text of the present disclosure only requires the minimum frequency domain spacing K of the reference signal resource particles to be sensed. min The first position set and the second position set can be calculated by using the two parameters of the first parameter N, and fewer parameters are required.

[0147] In some embodiments, the parameters used to determine the subcarrier positions include:

[0148] The minimum frequency domain spacing K of the perceptual reference signal resource particles min , K min is a positive integer;

[0149] The first parameter N is a positive integer greater than 1;

[0150] Offset, Offset is a non-negative integer.

[0151] Based on the above parameters, some optional implementations for determining the first position set and the second position set based on the parameters used to determine subcarrier positions in step S2101 are described below. For example, the first position set and the second position set may be determined according to any of the following implementations 2.1, 2.2, and 2.3. Of course, the embodiments of the present disclosure do not exclude the possibility of determining the first position set and the second position set using other implementations.

[0152] Implementation 2.1:

[0153] In this implementation, based on the formula nK min +Offset, the variable n is from 0 to integer, get the first position set; based on the formula For variable n, take values ​​from 1 to An integer of , and the second position set is obtained.

[0154] In this implementation, the subcarrier positions indicated by the first position set are uniformly distributed, and the number of subcarrier positions is The subcarrier frequency domain spacing is K min .

[0155] In this implementation, the subcarrier positions indicated by the second position set are evenly distributed, and the number of subcarrier positions is The subcarrier frequency domain spacing is

[0156] In this implementation, the first position set can be expressed as:

[0157] In this implementation, the second position set can be expressed as:

[0158] Alternatively, the subcarrier position set may be expressed as:

[0159] For example, suppose K min =4, N=6, Offset=1, then: S1={1,5,9,13}, S2={13,29,45}. Therefore, after taking the union of the first position set and the second position set, the obtained subcarrier position set is: S={1,5,9,13,29,45}.

[0160] In this implementation, the last subcarrier position in the first set of positions is the same as the first subcarrier position in the second set of positions.

[0161] Implementation 2.2:

[0162] In this implementation, based on the formula nK min +Offset, the variable n is from 0 to integer, get the first position set; based on the formula For variable n, take values ​​from 1 to An integer of , and the second position set is obtained.

[0163] In this implementation, the subcarrier positions indicated by the first position set are uniformly distributed, and the number of subcarrier positions is The subcarrier frequency domain spacing is K min .

[0164] In this implementation, the subcarrier positions indicated by the second position set are evenly distributed, and the number of subcarrier positions is The subcarrier frequency domain spacing is

[0165] In this implementation, the first position set can be expressed as:

[0166] In this implementation, the second position set can be expressed as:

[0167] Alternatively, the subcarrier position set may be expressed as:

[0168] For example, suppose K min=4, N=6, Offset=1, then: S1={1,5,9}, S2={13,29,45}. Therefore, after taking the union of the first position set and the second position set, the obtained subcarrier position set is: S={1,5,9,13,29,45}.

[0169] In this implementation, all subcarrier positions in the first set of positions are different from all subcarrier positions in the second set of positions.

[0170] Implementation 2.3:

[0171] In this implementation, based on the formula nK min +Offset, the variable n is from 0 to integer, get the first position set; based on the formula For variable n, take values ​​from 1 to An integer of , and the second position set is obtained.

[0172] In this implementation, the subcarrier positions indicated by the first position set are uniformly distributed, and the number of subcarrier positions is The subcarrier frequency domain spacing is K min .

[0173] In this implementation, the subcarrier positions indicated by the second position set are evenly distributed, and the number of subcarrier positions is The subcarrier frequency domain spacing is

[0174] In this implementation, the first position set can be expressed as:

[0175] In this implementation, the second position set can be expressed as:

[0176] Alternatively, the subcarrier position set may be expressed as:

[0177] For example, suppose K min =4, N=6, Offset=1, then: S1={1,5,9,13}, S2={29,45}. Therefore, after taking the union of the first position set and the second position set, the obtained subcarrier position set is: S={1,5,9,13,29,45}.

[0178] In this implementation, all subcarrier positions in the first set of positions are different from all subcarrier positions in the second set of positions.

[0179] According to the above optional implementations 2.1, 2.2, and 2.3, the frequency-domain non-uniformly distributed perception reference signal frequency pattern provided by the subcarrier position sets in the embodiments of the present disclosure can reduce the resource overhead and total transmit power of the perception reference signals, while achieving higher time-domain resolution and higher perception accuracy. Furthermore, by using offsets, subcarrier conflicts between different perception links or perception networks can be avoided.

[0180] In some embodiments, the offset Offset may include at least one of the following:

[0181] The first offset k, k is less than K min A non-negative integer;

[0182] Second offset K offset , used to indicate the offset of the starting physical resource block (PRB) of the perception reference signal relative to the common resource block 0 (common resource block 0), K offset A non-negative integer multiple of the number of subcarriers contained in a physical resource block (PRB). For example, the number of subcarriers contained in a physical resource block (PRB) is 12.

[0183] Where k∈{0,1,…,K min -1}.

[0184] According to the above embodiment, the first offset k can avoid subcarrier conflicts between different sensing links or sensing networks.

[0185] According to the above embodiment, by the second offset K offset , which can make all subcarrier positions of the perception reference signal offset as a whole relative to common resource block 0.

[0186] In some embodiments, the parameters used to determine the subcarrier positions include:

[0187] The minimum frequency domain spacing K of the perceptual reference signal resource particles min ;

[0188] The first parameter N;

[0189] First offset k.

[0190] In some embodiments, the parameters used to determine the subcarrier positions include:

[0191] The minimum frequency domain spacing K of the perceptual reference signal resource particles min ;

[0192] The first parameter N;

[0193] Second offset K offset .

[0194] In some embodiments, the parameters used to determine the subcarrier positions include:

[0195] The minimum frequency domain spacing K of the perceptual reference signal resource particles min ;

[0196] The first parameter N;

[0197] First offset k;

[0198] Second offset K offset .

[0199] Based on the above-described embodiment of the offset, some optional implementations of determining the first position set and the second position set according to the parameters used to determine the subcarrier positions in step S2101 are described below. For example, the first position set and the second position set may be determined according to any one of the following implementations 2.1.1, 2.1.2, 2.1.3, 2.2.1, 2.2.2, 2.2.3, 2.3.1, 2.3.2, and 2.3.3. Of course, the embodiments of the present disclosure do not exclude the possibility of determining the first position set and the second position set by other implementations.

[0200] Optionally, for implementation methods 2.1.1, 2.1.2 and 2.1.3, reference may be made to the relevant content of implementation method 2.1 in the previous text; for implementation methods 2.2.1, 2.2.2 and 2.2.3, reference may be made to the relevant content of implementation method 2.2 in the previous text; and for implementation methods 2.3.1, 2.3.2 and 2.3.3, reference may be made to the relevant content of implementation method 2.3 in the previous text.

[0201] Implementation 2.1.1:

[0202] In this implementation, based on the formula nK min +k, the variable n is from 0 to integer, get the first position set; based on the formula For variable n, take values ​​from 1 to An integer of , and the second position set is obtained.

[0203] In this implementation, the first position set can be expressed as:

[0204] In this implementation, the second position set can be expressed as:

[0205] Alternatively, the subcarrier position set may be expressed as:

[0206] Implementation 2.1.2:

[0207] In this implementation, based on the formula nK min +K offset , the variable n is from 0 to integer, get the first position set; based on the formula For variable n, take values ​​from 1 to An integer of , and the second position set is obtained.

[0208] In this implementation, the first position set can be expressed as:

[0209] In this implementation, the second position set can be expressed as:

[0210] Alternatively, the subcarrier position set may be expressed as:

[0211] Implementation 2.1.3:

[0212] In this implementation, based on the formula nK min +k+K offset , the variable n is from 0 to integer, get the first position set; based on the formula For variable n, take values ​​from 1 to An integer of , and the second position set is obtained.

[0213] In this implementation, the first position set can be expressed as:

[0214] In this implementation, the second position set can be expressed as:

[0215] Alternatively, the subcarrier position set may be expressed as:

[0216] Implementation 2.2.1:

[0217] In this implementation, based on the formula nK min +k, the variable n is from 0 to integer, get the first position set; based on the formula For variable n, take values ​​from 1 to An integer of , and the second position set is obtained.

[0218] In this implementation, the first position set can be expressed as:

[0219] In this implementation, the second position set can be expressed as:

[0220] Alternatively, the subcarrier position set may be expressed as:

[0221] Implementation 2.2.2:

[0222] In this implementation, based on the formula nK min +K offset , the variable n is from 0 to integer, get the first position set; based on the formula For variable n, take values ​​from 1 to An integer of , and the second position set is obtained.

[0223] In this implementation, the first position set can be expressed as:

[0224] In this implementation, the second position set can be expressed as:

[0225] Alternatively, the subcarrier position set may be expressed as:

[0226] Implementation 2.2.3:

[0227] In this implementation, based on the formula nK min +k+K offset , the variable n is from 0 to integer, get the first position set; based on the formula For variable n, take values ​​from 1 to An integer of , and the second position set is obtained.

[0228] In this implementation, the first position set can be expressed as:

[0229] In this implementation, the second position set can be expressed as:

[0230] Alternatively, the subcarrier position set may be expressed as:

[0231] Implementation 2.3.1:

[0232] In this implementation, based on the formula nK min +k, the variable n is from 0 to integer, get the first position set; based on the formula For variable n, take values ​​from 1 to An integer of , and the second position set is obtained.

[0233] In this implementation, the first position set can be expressed as:

[0234] In this implementation, the second position set can be expressed as:

[0235] Alternatively, the subcarrier position set may be expressed as:

[0236] Implementation 2.3.2:

[0237] In this implementation, based on the formula nK min +K offset , the variable n is from 0 to integer, get the first position set; based on the formula For variable n, take values ​​from 1 to An integer of , and the second position set is obtained.

[0238] In this implementation, the first position set can be expressed as:

[0239] In this implementation, the second position set can be expressed as:

[0240] Alternatively, the subcarrier position set may be expressed as:

[0241] Implementation 2.3.3:

[0242] In this implementation, based on the formula nK min +k+K offset , the variable n is from 0 to integer, get the first position set; based on the formula For variable n, take values ​​from 1 to An integer of , and the second position set is obtained.

[0243] In this implementation, the first position set can be expressed as:

[0244] In this implementation, the second position set can be expressed as:

[0245] Alternatively, the subcarrier position set may be expressed as:

[0246] FIG2B is a flow chart illustrating a method for transmitting a perception reference signal according to an embodiment of the present disclosure. As shown in FIG2B , an embodiment of the present disclosure relates to a method for transmitting a perception reference signal. In some embodiments, the method for transmitting a perception reference signal can be used for a perception transmitter in a perception network. The method for transmitting a perception reference signal includes:

[0247] Step S2201: sending at least one parameter for determining a subcarrier position to a perception receiver.

[0248] In some embodiments, the parameters used to determine the subcarrier positions include:

[0249] The minimum frequency domain spacing K of the perceptual reference signal resource particles min ;

[0250] The first parameter N.

[0251] In some embodiments, the parameters used to determine the subcarrier positions include:

[0252] The minimum frequency domain spacing K of the perceptual reference signal resource particles min ;

[0253] The first parameter N;

[0254] First offset k.

[0255] In some embodiments, the parameters used to determine the subcarrier positions include:

[0256] The minimum frequency domain spacing K of the perceptual reference signal resource particles min ;

[0257] The first parameter N;

[0258] Second offset K offset .

[0259] In some embodiments, the parameters used to determine the subcarrier positions include:

[0260] The minimum frequency domain spacing K of the perceptual reference signal resource particles min ;

[0261] The first parameter N;

[0262] First offset k;

[0263] Second offset K offset .

[0264] In some embodiments, the minimum frequency domain spacing K of the perceptual reference signal resource particles is min At least one parameter among the first parameter N is sent to the perceptual receiver.

[0265] In some embodiments, the minimum frequency domain spacing K of the perceptual reference signal resource particles is min At least one parameter among the first parameter N and the first offset k is sent to the perceptual receiver.

[0266] In some embodiments, the minimum frequency domain spacing K of the perceptual reference signal resource particles is min , the first parameter N and the second offset K offset At least one parameter in is sent to the perception receiver.

[0267] In some embodiments, the minimum frequency domain spacing K of the perceptual reference signal resource particles is min , first parameter N, first offset k and second offset K offset At least one parameter in is sent to the perception receiver.

[0268] In some embodiments, the perceptual transmitter may generate all parameters for determining subcarrier positions by itself.

[0269] In some embodiments, the sensing transmitter sends at least one parameter used to determine the subcarrier position to the sensing receiver via signaling. For example, the sensing transmitter sends the minimum frequency domain spacing K of the sensing reference signal resource element. min , first parameter N, first offset k and second offset K offset At least one parameter in is sent to the perception receiver through signaling.

[0270] In some embodiments, both the cognitive transmitter and the cognitive receiver in the cognitive network are base stations and the cognitive network adopts a distributed control mechanism.

[0271] In some embodiments, both the sensing transmitter and the sensing receiver are gNBs.

[0272] In some embodiments, the above signaling is signaling of an Xn interface or an X2 interface.

[0273] In some embodiments, one of the cognitive transmitter and the cognitive receiver in the cognitive network is a base station, and the other is a terminal. For example, the cognitive transmitter is a base station, and the cognitive receiver is a terminal. In another example, the cognitive transmitter is a terminal, and the cognitive receiver is a base station.

[0274] In some embodiments, the above signaling is RRC (Radio Resource Control) signaling, and the signaling interface is a Uu interface.

[0275] In some embodiments, both the cognitive transmitter and the cognitive receiver in the cognitive network are terminals.

[0276] In some embodiments, the above signaling is RRC signaling, and the signaling interface is a PC5 interface.

[0277] Step S2202: Determine a first position set and a second position set according to parameters used to determine subcarrier positions.

[0278] The optional implementation methods of step S2202 can refer to the optional implementation methods of step S2101 in Figure 2A, for example, you can refer to the optional implementation methods 1.1, 1.2, 1.3, 2.1, 2.2, 2.3, 2.1.1, 2.1.2, 2.1.3, 2.2.1, 2.2.2, 2.2.3, 2.3.1, 2.3.2 and 2.3.3 of step S2101, which will not be repeated here.

[0279] Step S2203: Obtain a subcarrier position set according to the first position set and the second position set.

[0280] For optional implementations of step S2203, reference may be made to the optional implementations of step S2102 in FIG. 2A and other related parts of the embodiment involved in FIG. 2A , which will not be described in detail here. For example, reference may be made to the relevant descriptions of the subcarrier position set in optional implementations 1.1, 1.2, 1.3, 2.1, 2.2, 2.3, 2.1.1, 2.1.2, 2.1.3, 2.2.1, 2.2.2, 2.2.3, 2.3.1, 2.3.2, and 2.3.3 of step S2101.

[0281] Step S2204: Send a perception reference signal according to the subcarrier position indicated by the subcarrier position set.

[0282] According to the above technical solution, the cognitive transmitter can send at least one parameter for determining the subcarrier position to the cognitive receiver, so that the cognitive receiver can determine the subcarrier position for receiving the cognitive reference signal based on the parameter sent by the cognitive transmitter.

[0283] In some embodiments, the execution order of step S2201 is not limited. For example, step S2201 can be executed before or after step S2202, or simultaneously with step S2202. Step S2201 can be executed before or after step S2203, or simultaneously with step S2203. Step S2201 can be executed before or after step S2204, or simultaneously with step S2204.

[0284] FIG2C is a flow chart illustrating a method for transmitting a perception reference signal according to an embodiment of the present disclosure. As shown in FIG2C , an embodiment of the present disclosure relates to a method for transmitting a perception reference signal. In some embodiments, the method for transmitting a perception reference signal can be used for a perception transmitter in a perception network. The method for transmitting a perception reference signal includes:

[0285] Step S2301: Receive at least one parameter sent by a core network for determining a subcarrier position.

[0286] In some embodiments, the parameters used to determine the subcarrier positions include:

[0287] The minimum frequency domain spacing K of the perceptual reference signal resource particles min ;

[0288] The first parameter N.

[0289] In some embodiments, the parameters used to determine the subcarrier positions include:

[0290] The minimum frequency domain spacing K of the perceptual reference signal resource particles min ;

[0291] The first parameter N;

[0292] First offset k.

[0293] In some embodiments, the parameters used to determine the subcarrier positions include:

[0294] The minimum frequency domain spacing K of the perceptual reference signal resource particles min ;

[0295] The first parameter N;

[0296] Second offset K offset .

[0297] In some embodiments, the parameters used to determine the subcarrier positions include:

[0298] The minimum frequency domain spacing K of the perceptual reference signal resource particles min ;

[0299] The first parameter N;

[0300] First offset k;

[0301] Second offset K offset .

[0302] In some embodiments, the minimum frequency domain spacing K of the sensing reference signal resource particles sent by the core network is received min and at least one of the first parameter N.

[0303] In some embodiments, the minimum frequency domain spacing K of the sensing reference signal resource particles sent by the core network is received min , at least one of the first parameter N and the first offset k.

[0304] In some embodiments, the minimum frequency domain spacing K of the sensing reference signal resource particles sent by the core network is received min , the first parameter N and the second offset K offset At least one parameter in .

[0305] In some embodiments, the minimum frequency domain spacing K of the sensing reference signal resource particles sent by the core network is received min , first parameter N, first offset k and second offset K offset At least one parameter in .

[0306] In some embodiments, both the cognitive transmitter and the cognitive receiver in the cognitive network are base stations and the cognitive network adopts a centralized control mechanism.

[0307] In some embodiments, both the sensing transmitter and the sensing receiver are gNBs.

[0308] In some embodiments, the sensing transmitter receives at least one parameter for determining a subcarrier position sent by a centralized control node in a core network.

[0309] In some embodiments, the sensing transmitters and sensing receivers in the sensing network are connected to a centralized control node in the core network. The centralized control node generates at least one parameter for determining the subcarrier position for each sensing transmitter connected thereto, and sends the generated parameter to the corresponding sensing transmitter. For example, the centralized control node sets the minimum frequency domain spacing K of the sensing reference signal resource particles to min , first parameter N, first offset k and second offset K offset At least one parameter in is sent to the sensing transmitter through signaling.

[0310] In some embodiments, the interface of the above-mentioned signaling can be an interface from the centralized control node in the core network to the gNB, such as a wired connection interface.

[0311] According to the above embodiment, in the case where both the cognitive transmitter and the cognitive receiver in the cognitive network are base stations and the cognitive network adopts a centralized control mechanism, all or part of the parameters for determining the subcarrier position can be generated by the centralized control node in the core network, and all or part of the generated parameters can be sent to the cognitive transmitter in the cognitive network.

[0312] In some embodiments, the centralized control node in the core network may also send at least one parameter corresponding to the perception transmitter for determining the subcarrier position to the corresponding perception receiver via signaling, so that the corresponding perception receiver can determine the subcarrier position of the perception reference signal based on the at least one parameter to receive the perception reference signal sent by the perception transmitter.

[0313] In some embodiments, the centralized control node in the core network may also send at least one parameter for determining the subcarrier position corresponding to each sensing transmitter connected to it to all sensing receivers connected to the centralized control node via signaling, so that each sensing receiver can determine the subcarrier position of the sensing reference signal of each sensing transmitter.

[0314] In some embodiments, the cognitive network includes multiple cognitive transmitters and the multiple cognitive transmitters are base stations, and the cognitive receiver in the cognitive network is a terminal.

[0315] In some embodiments, the multiple sensing transmitters are all gNBs.

[0316] In some embodiments, the sensing transmitter receives at least one parameter sent by a core network element for determining a subcarrier position.

[0317] In some embodiments, the core network element generates at least one parameter for determining the subcarrier position for each sensing transmitter in the sensing network, and sends the generated parameter to the corresponding sensing transmitter. For example, the core network element determines the minimum frequency domain spacing K of the sensing reference signal resource element. min , first parameter N, first offset k and second offset K offset At least one parameter in is sent to the sensing transmitter through signaling.

[0318] According to the above embodiment, for the case where the perception network includes multiple perception transmitters, and the multiple perception transmitters in the perception network are all base stations, and the perception receiver in the perception network is a terminal, all or part of the parameters for determining the subcarrier position can be generated by the core network network element to avoid conflicts caused by the parameters generated by multiple perception transmitters respectively, and all or part of the generated parameters are sent to the perception transmitters in the perception network.

[0319] In some embodiments, the core network element may be an LMF (location management functionality) network element, or a network element specifically used for sensing, such as an SMF (sensing management functionality) network element.

[0320] In some embodiments, the core network element can also send at least one parameter for determining the subcarrier position corresponding to multiple cognitive transmitters in the cognitive network to the cognitive receiver in the cognitive network, so that the cognitive receiver can know the parameters for determining the subcarrier position corresponding to all cognitive transmitters involved in the cognitive network.

[0321] Step S2302: Determine a first position set and a second position set according to parameters used to determine subcarrier positions.

[0322] The optional implementation methods of step S2302 can refer to the optional implementation methods of step S2101 in Figure 2A, for example, you can refer to the optional implementation methods 1.1, 1.2, 1.3, 2.1, 2.2, 2.3, 2.1.1, 2.1.2, 2.1.3, 2.2.1, 2.2.2, 2.2.3, 2.3.1, 2.3.2 and 2.3.3 of step S2101, which will not be repeated here.

[0323] In some embodiments, if the centralized control node in the core network does not send all parameters for determining subcarrier positions, then when the sensing transmitter determines the first position set and the second position set, default values ​​can be used for the parameters not sent by the centralized control node.

[0324] In some embodiments, if the centralized control node in the core network does not send all the parameters used to determine the subcarrier position this time, but the centralized control node has previously sent the value of the parameter that is not sent this time, then when the perception transmitter determines the first position set and the second position set, for the parameter that is not sent this time by the centralized control node, the value of the parameter sent last time by the centralized control node can be used.

[0325] In some embodiments, if the core network element does not send all parameters used to determine the subcarrier positions, then when the sensing transmitter determines the first position set and the second position set, default values ​​can be used for the parameters not sent by the core network element.

[0326] In some embodiments, if the core network element does not send all the parameters used to determine the subcarrier position this time, but the core network element has previously sent the value of the parameter that is not sent this time, then when the perception transmitter determines the first position set and the second position set, for the parameter that is not sent by the core network element, the value of the parameter sent by the core network element last time can be used.

[0327] Step S2303: Obtain a subcarrier position set according to the first position set and the second position set.

[0328] For optional implementations of step S2303, reference may be made to the optional implementations of step S2102 in FIG. 2A and other related parts of the embodiment involved in FIG. 2A , which will not be described in detail here. For example, reference may be made to the relevant descriptions of the subcarrier position set in optional implementations 1.1, 1.2, 1.3, 2.1, 2.2, 2.3, 2.1.1, 2.1.2, 2.1.3, 2.2.1, 2.2.2, 2.2.3, 2.3.1, 2.3.2, and 2.3.3 of step S2101.

[0329] Step S2304: Send a perception reference signal according to the subcarrier position indicated by the subcarrier position set.

[0330] According to the above technical solution, the perception transmitter can determine the subcarrier position of the perception reference signal based on at least one parameter sent by the core network for determining the subcarrier position, and send the perception reference signal according to the subcarrier position.

[0331] Figure 3A is a schematic flow chart illustrating a method for receiving a perceptual reference signal according to an embodiment of the present disclosure. As shown in Figure 3A , an embodiment of the present disclosure relates to a method for receiving a perceptual reference signal. In some embodiments, the method for receiving a perceptual reference signal can be used in a perceptual receiver in a perceptual network. The method for receiving a perceptual reference signal includes:

[0332] Step S3101: Determine a first position set and a second position set according to parameters used to determine subcarrier positions.

[0333] In some embodiments, the first set of positions and the second set of positions are used to indicate subcarrier positions.

[0334] In some embodiments, the first position set includes one or more elements, each element is used to indicate a corresponding subcarrier position. Optionally, each element may be a number.

[0335] In some embodiments, the second position set includes one or more elements, each element being used to indicate a corresponding subcarrier position. Optionally, each element may be a number.

[0336] For the optional implementation methods of step S3101, please refer to the optional implementation methods of step S2101 in Figure 2A, for example, please refer to the optional implementation methods 1.1, 1.2, 1.3, 2.1, 2.2, 2.3, 2.1.1, 2.1.2, 2.1.3, 2.2.1, 2.2.2, 2.2.3, 2.3.1, 2.3.2 and 2.3.3 of step S2101, which will not be repeated here.

[0337] Step S3102: Obtain a subcarrier position set according to the first position set and the second position set.

[0338] For optional implementations of step S3102, see the optional implementations of step S2102 in FIG. 2A and other related parts of the embodiment involved in FIG. 2A , which will not be described in detail here. For example, see the relevant descriptions of the subcarrier position set in optional implementations 1.1, 1.2, 1.3, 2.1, 2.2, 2.3, 2.1.1, 2.1.2, 2.1.3, 2.2.1, 2.2.2, 2.2.3, 2.3.1, 2.3.2, and 2.3.3 of step S2101.

[0339] Step S3103: Receive a perception reference signal according to the subcarrier position indicated by the subcarrier position set.

[0340] According to the above technical solution, the perception receiver in the perception network can first determine a first position set and a second position set for indicating the subcarrier position based on the parameters used to determine the subcarrier position, obtain a final subcarrier position set based on the first position set and the second position set, and then receive the perception reference signal based on the subcarrier position indicated in the final subcarrier position set, thereby realizing the reception of the perception reference signal.

[0341] In some embodiments, the last subcarrier position in the first set of positions may be the same as the first subcarrier position in the second set of positions.

[0342] In some embodiments, all subcarrier positions in the first set of positions may be different from all subcarrier positions in the second set of positions.

[0343] In some embodiments, the subcarrier positions indicated by the first position set are evenly distributed, the subcarrier positions indicated by the second position set are evenly distributed, and the subcarrier frequency domain spacing in the first position set is different from the subcarrier frequency domain spacing in the second position set.

[0344] In some embodiments, the subcarrier positions of the subcarrier position set indication are non-uniformly distributed.

[0345] According to the above technical solution, the perceptual receiver first determines a first set of positions and a second set of positions in which subcarrier positions are uniformly distributed, and the subcarrier frequency domain spacing of the first set of positions and the second set of positions is different. This results in a set of subcarrier positions in which the subcarrier positions are non-uniformly distributed, so that the perceptual receiver receives the perceptual reference signal based on the non-uniformly distributed subcarrier positions. Compared to conventional uniform comb patterns, the frequency domain pattern of the perceptual reference signal with a frequency domain non-uniform distribution provided by the subcarrier position set in the embodiment of the present disclosure can achieve a larger uniform degree of freedom in the Khatri-Rao subspace and avoid the perceptual receiver observing multiple mirror images of the channel impulse response.

[0346] In some embodiments, the frequency domain spacing of the subcarriers in the first position set is the minimum frequency domain spacing K of the sensing reference signal resource element. min Among them, K min Is a positive integer.

[0347] In some embodiments, the frequency domain spacing of the subcarriers in the second position set is equal to the minimum frequency domain spacing K of the sensing reference signal resource element. min Related to the first parameter N. Among them, K min is a positive integer, and N is a positive integer greater than 1.

[0348] In some embodiments, the parameters used to determine the subcarrier positions include:

[0349] The minimum frequency domain spacing K of the perceptual reference signal resource particles min , K min is a positive integer;

[0350] The first parameter N is a positive integer greater than 1.

[0351] In some embodiments, the parameters used to determine the subcarrier positions include:

[0352] The minimum frequency domain spacing K of the perceptual reference signal resource particles min , K min is a positive integer;

[0353] The first parameter N is a positive integer greater than 1;

[0354] Offset, Offset is a non-negative integer.

[0355] In some embodiments, the offset Offset may include at least one of the following:

[0356] The first offset k, k is less than K min A non-negative integer;

[0357] Second offset K offset , used to indicate the offset of the starting PRB of the perception reference signal relative to common resource block 0, K offset A non-negative integer multiple of the number of subcarriers contained in a PRB. For example, the number of subcarriers contained in a PRB is 12.

[0358] Where k∈{0,1,…,K min -1}.

[0359] In some embodiments, for parameters used to determine subcarrier positions, reference may be made to the relevant descriptions in the embodiments involved in FIG. 2A , FIG. 2B , and FIG. 2C .

[0360] FIG3B is a flow chart illustrating a method for receiving a perceptual reference signal according to an embodiment of the present disclosure. As shown in FIG3B , an embodiment of the present disclosure relates to a method for receiving a perceptual reference signal. In some embodiments, the method for receiving a perceptual reference signal can be used in a perceptual receiver in a perceptual network. The method for receiving a perceptual reference signal includes:

[0361] Step S3201: Receive at least one parameter sent by a sensing transmitter for determining a subcarrier position.

[0362] The optional implementation of step S3201 can refer to the optional implementation of step S2201 in Figure 2B, which will not be repeated here.

[0363] In some embodiments, the minimum frequency domain spacing K of the sensing reference signal resource elements sent by the receiving sensing transmitter is min and at least one of the first parameters N.

[0364] In some embodiments, the minimum frequency domain spacing K of the sensing reference signal resource elements sent by the receiving sensing transmitter is min , at least one of the first parameter N and the first offset k.

[0365] In some embodiments, the minimum frequency domain spacing K of the sensing reference signal resource elements sent by the receiving sensing transmitter is min , the first parameter N and the second offset K offset At least one parameter in .

[0366] In some embodiments, the minimum frequency domain spacing K of the sensing reference signal resource elements sent by the receiving sensing transmitter is min , first parameter N, first offset k and second offset K offset At least one parameter in .

[0367] Step S3202: Determine a first position set and a second position set according to parameters used to determine subcarrier positions.

[0368] The optional implementation methods of step S3202 can refer to the optional implementation methods of step S2101 in Figure 2A, for example, you can refer to the optional implementation methods 1.1, 1.2, 1.3, 2.1, 2.2, 2.3, 2.1.1, 2.1.2, 2.1.3, 2.2.1, 2.2.2, 2.2.3, 2.3.1, 2.3.2 and 2.3.3 of step S2101, which will not be repeated here.

[0369] In some embodiments, if the sensing transmitter does not send all parameters for determining subcarrier positions, then when the sensing receiver determines the first set of positions and the second set of positions, default values ​​may be used for the parameters not sent by the sensing transmitter.

[0370] In some embodiments, if the perception transmitter does not send all the parameters used to determine the subcarrier position this time, but the perception transmitter has previously sent the value of the parameter not sent this time, then when the perception receiver determines the first position set and the second position set, for the parameter not sent by the perception transmitter this time, the value of the parameter sent by the perception transmitter last time can be used.

[0371] Step S3203: Obtain a subcarrier position set according to the first position set and the second position set.

[0372] For optional implementations of step S3203, reference may be made to the optional implementations of step S2102 of FIG. 2A and other related parts of the embodiment involved in FIG. 2A , which will not be described in detail here. For example, reference may be made to the relevant descriptions of the subcarrier position set in optional implementations 1.1, 1.2, 1.3, 2.1, 2.2, 2.3, 2.1.1, 2.1.2, 2.1.3, 2.2.1, 2.2.2, 2.2.3, 2.3.1, 2.3.2, and 2.3.3 of step S2101.

[0373] Step S3204: Receive a perception reference signal according to the subcarrier position indicated by the subcarrier position set.

[0374] According to the above technical solution, the perception receiver can determine the subcarrier position for receiving the perception reference signal based on at least one parameter sent by the perception transmitter for determining the subcarrier position, thereby receiving the perception reference signal from the perception transmitter.

[0375] FIG3C is a flow chart illustrating a method for receiving a perceptual reference signal according to an embodiment of the present disclosure. As shown in FIG3C , an embodiment of the present disclosure relates to a method for receiving a perceptual reference signal. In some embodiments, the method for receiving a perceptual reference signal can be used in a perceptual receiver in a perceptual network. The method for receiving a perceptual reference signal includes:

[0376] Step S3301: Receive at least one parameter sent by the core network for determining the subcarrier position.

[0377] The optional implementation of step S3301 can refer to the optional implementation of step S2301 in Figure 2C, which will not be repeated here.

[0378] In some embodiments, the minimum frequency domain spacing K of the sensing reference signal resource particles sent by the core network is received min and at least one of the first parameters N.

[0379] In some embodiments, the minimum frequency domain spacing K of the sensing reference signal resource particles sent by the core network is received min , at least one of the first parameter N and the first offset k.

[0380] In some embodiments, the minimum frequency domain spacing K of the sensing reference signal resource particles sent by the core network is received min , the first parameter N and the second offset K offset At least one parameter in .

[0381] In some embodiments, the minimum frequency domain spacing K of the sensing reference signal resource particles sent by the core network is received min , first parameter N, first offset k and second offset K offset At least one parameter in .

[0382] In some embodiments, both the cognitive transmitter and the cognitive receiver in the cognitive network are base stations and the cognitive network adopts a centralized control mechanism.

[0383] In some embodiments, the sensing receiver receives at least one parameter for determining a subcarrier position sent by a centralized control node in a core network.

[0384] In some embodiments, the cognitive network includes multiple cognitive transmitters and the multiple cognitive transmitters are base stations, and the cognitive receiver in the cognitive network is a terminal.

[0385] In some embodiments, the sensing receiver receives at least one parameter sent by a core network element for determining a subcarrier position.

[0386] In some embodiments, the core network element may be an LMF network element, or a network element specifically used for perception, such as an SMF network element.

[0387] In some embodiments, the core network element may transparently transmit at least one parameter for determining subcarrier positions corresponding to one or more sensing transmitters to the sensing receiver through the base station.

[0388] In some embodiments, the core network element may transparently transmit the above parameters to the perception receiver via NAS (non-access stratum) signaling.

[0389] Step S3302: Determine a first position set and a second position set according to parameters used to determine subcarrier positions.

[0390] The optional implementation methods of step S3302 can refer to the optional implementation methods of step S2101 in Figure 2A and the optional implementation methods of step S2302 in Figure 2C. For example, you can refer to the optional implementation methods 1.1, 1.2, 1.3, 2.1, 2.2, 2.3, 2.1.1, 2.1.2, 2.1.3, 2.2.1, 2.2.2, 2.2.3, 2.3.1, 2.3.2 and 2.3.3 of step S2101, which will not be repeated here.

[0391] In some embodiments, if the centralized control node in the core network does not send all parameters for determining subcarrier positions, then when the perceptual receiver determines the first position set and the second position set, default values ​​can be used for the parameters not sent by the centralized control node.

[0392] In some embodiments, if the centralized control node in the core network does not send all the parameters used to determine the subcarrier position this time, but the centralized control node has previously sent the value of the parameter that is not sent this time, then when the perception receiver determines the first position set and the second position set, for the parameter that is not sent this time by the centralized control node, the value of the parameter sent last time by the centralized control node can be used.

[0393] In some embodiments, if the core network element does not send all parameters used to determine the subcarrier positions, then when the perception receiver determines the first position set and the second position set, default values ​​can be used for the parameters not sent by the core network element.

[0394] In some embodiments, if the core network element does not send all the parameters used to determine the subcarrier position this time, but the core network element has previously sent the value of the parameter that is not sent this time, then when the perception receiver determines the first position set and the second position set, for the parameter that is not sent by the core network element, the value of the parameter sent by the core network element last time can be used.

[0395] Step S3303: Obtain a subcarrier position set according to the first position set and the second position set.

[0396] For optional implementations of step S3303, reference may be made to the optional implementations of step S2102 in FIG2A and other related parts of the embodiment involved in FIG2A , which will not be described in detail here. For example, reference may be made to the relevant descriptions of the subcarrier position set in optional implementations 1.1, 1.2, 1.3, 2.1, 2.2, 2.3, 2.1.1, 2.1.2, 2.1.3, 2.2.1, 2.2.2, 2.2.3, 2.3.1, 2.3.2, and 2.3.3 of step S2101.

[0397] Step S3304: Receive a perception reference signal according to the subcarrier position indicated by the subcarrier position set.

[0398] According to the above technical solution, the perception receiver can determine the subcarrier position for receiving the perception reference signal based on at least one parameter sent by the core network for determining the subcarrier position, thereby receiving the perception reference signal from the perception transmitter.

[0399] The present disclosure also provides an apparatus for implementing the above method. For example, an apparatus is provided, comprising units or modules for implementing each step of the above method for transmitting a perceptual reference signal. For example, the apparatus may be a perceptual transmitter. Furthermore, another apparatus is provided, comprising units or modules for implementing each step of the above method for receiving a perceptual reference signal. For example, the apparatus may be a perceptual receiver.

[0400] It should be understood that the division of the various units or modules in the above device is merely a division of logical functions. In actual implementation, they may be fully or partially integrated into a physical entity, or they may be physically separated. In addition, the units or modules in the device may be implemented in the form of a processor calling software: for example, the device includes a processor, the processor is connected to a memory, and the memory stores instructions. The processor calls the instructions stored in the memory to implement any of the above methods or implement the functions of the various units or modules of the above device, wherein the processor is, for example, a general-purpose processor, such as a central processing unit (CPU) or a microprocessor, and the memory is a memory within the device or a memory outside the device. Alternatively, the units or modules in the device can be implemented in the form of hardware circuits, and the functions of some or all of the units or modules can be realized by designing the hardware circuits. The above-mentioned hardware circuits can be understood as one or more processors; for example, in one implementation, the above-mentioned hardware circuit is an application-specific integrated circuit (ASIC), which realizes the functions of some or all of the above units or modules by designing the logical relationship of the components in the circuit; for example, in another implementation, the above-mentioned hardware circuit can be realized by a programmable logic device (PLD). Taking a field programmable gate array (FPGA) as an example, it can include a large number of logic gate circuits, and the connection relationship between the logic gate circuits is configured by configuring the configuration file, thereby realizing the functions of some or all of the above units or modules. All units or modules of the above devices can be realized in the form of software called by the processor, or in the form of hardware circuits, or in part by the form of software called by the processor, and the rest by hardware circuits.

[0401] In the embodiments of the present disclosure, the processor is a circuit with signal processing capabilities. In one implementation, the processor can be a circuit with instruction reading and execution capabilities, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), or a digital signal processor (DSP). In another implementation, the processor can implement certain functions through the logical relationship of the hardware circuit. The logical relationship of the above-mentioned hardware circuit is fixed or reconfigurable. For example, the processor is a hardware circuit implemented by an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA. In a reconfigurable hardware circuit, the process of the processor loading a configuration document and implementing the hardware circuit configuration can be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules. In addition, it can also be a hardware circuit designed for artificial intelligence, which can be understood as an ASIC, such as a neural network processing unit (NPU), a tensor processing unit (TPU), a deep learning processing unit (DPU), etc.

[0402] FIG4A is a schematic diagram of the structure of a cognitive transmitter in a cognitive network according to an embodiment of the present disclosure. As shown in FIG4A , the cognitive transmitter may include at least one of a processing module 4101 and a transceiver module 4102 .

[0403] In some embodiments, the processing module 4101 is used to determine a first position set and a second position set based on parameters used to determine subcarrier positions, and obtain a subcarrier position set based on the first position set and the second position set, wherein the first position set and the second position set are used to indicate subcarrier positions.

[0404] In some embodiments, the transceiver module 4102 is configured to send a perception reference signal according to the subcarrier position indicated by the subcarrier position set.

[0405] In some embodiments, the parameters used to determine the subcarrier positions include:

[0406] The minimum frequency domain spacing K of the perceptual reference signal resource particles min , K minis a positive integer;

[0407] The first parameter N is a positive integer greater than 1.

[0408] In some embodiments, the processing module 4101 is configured to:

[0409] Based on the formula nK min , the variable n is from 0 to integer, obtaining the first position set;

[0410] Based on the formula For variable n, take values ​​from 1 to The second position set is obtained;

[0411] in, Express Round down, Express Round up.

[0412] In some embodiments, the processing module 4101 is configured to:

[0413] Based on the formula nK min , the variable n is from 0 to integer, obtaining the first position set;

[0414] Based on the formula For variable n, take values ​​from 1 to The second position set is obtained;

[0415] in, Express Round down, Express Round up.

[0416] In some embodiments, the processing module 4101 is configured to:

[0417] Based on the formula nK min , the variable n is from 0 to integer, obtaining the first position set;

[0418] Based on the formula For variable n, take values ​​from 1 to The second position set is obtained;

[0419] in, Express Round down, Express Round up.

[0420] In some embodiments, the parameters used to determine the subcarrier position further include:

[0421] Offset, Offset is a non-negative integer.

[0422] In some embodiments, the processing module 4101 is configured to:

[0423] Based on the formula nK min +Offset, the variable n is from 0 to integer, obtaining the first position set;

[0424] Based on the formula For variable n, take values ​​from 1 to The second position set is obtained;

[0425] in, Express Round down, Express Round up.

[0426] In some embodiments, the processing module 4101 is configured to:

[0427] Based on the formula nK min +Offset, the variable n is from 0 to integer, obtaining the first position set;

[0428] Based on the formula For variable n, take values ​​from 1 to The second position set is obtained;

[0429] in, Express Round down, Express Round up.

[0430] In some embodiments, the processing module 4101 is configured to:

[0431] Based on the formula nK min +Offset, the variable n is from 0 to integer, obtaining the first position set;

[0432] Based on the formula For variable n, take values ​​from 1 to The second position set is obtained;

[0433] in, Express Round down, Express Round up.

[0434] In some embodiments, the offset Offset includes at least one of the following:

[0435] The first offset k, k is less than K min A non-negative integer;

[0436] Second offset K offset , used to indicate the offset of the starting physical resource block of the perception reference signal relative to the common resource block 0, K offset It is a non-negative integer multiple of the number of subcarriers contained in the physical resource block.

[0437] In some embodiments, the last subcarrier position in the first position set is the same as the first subcarrier position in the second position set; or, all subcarrier positions in the first position set are different from all subcarrier positions in the second position set.

[0438] In some embodiments, the subcarrier positions indicated by the first position set are uniformly distributed, the subcarrier positions indicated by the second position set are uniformly distributed, and the subcarrier frequency domain spacing in the first position set is different from the subcarrier frequency domain spacing in the second position set, and the subcarrier positions indicated by the subcarrier position set are non-uniformly distributed.

[0439] In some embodiments, the processing module 4101 is configured to obtain the subcarrier position set by taking a union of the subcarrier positions in the first position set and the second position set.

[0440] In some embodiments, both the cognitive transmitter and the cognitive receiver in the cognitive network are base stations and the cognitive network adopts a distributed control mechanism.

[0441] In some embodiments, one of the cognitive transmitter and the cognitive receiver in the cognitive network is a base station, and the other is a terminal.

[0442] In some embodiments, both the cognitive transmitter and the cognitive receiver in the cognitive network are terminals.

[0443] According to the above embodiment, the transceiver module 4102 is used to send at least one parameter used to determine the subcarrier position to the perception receiver.

[0444] In some embodiments, both the cognitive transmitter and the cognitive receiver in the cognitive network are base stations and the cognitive network adopts a centralized control mechanism.

[0445] In some embodiments, the cognitive network includes multiple cognitive transmitters, and the multiple cognitive transmitters are all base stations, and the cognitive receiver in the cognitive network is a terminal.

[0446] According to the above embodiment, the transceiver module 4102 is used to receive at least one parameter sent by the core network for determining the subcarrier position.

[0447] Optionally, the transceiver module 4102 is configured to receive at least one parameter for determining a subcarrier position sent by a centralized control node in the core network.

[0448] Optionally, the transceiver module 4102 is used to receive at least one parameter sent by a core network element for determining a subcarrier position.

[0449] Optionally, the processing module 4101 is used to execute the steps in the perception reference signal sending method, such as at least one of step S2101, step S2102, step S2202, step S2203, step S2302, and step S2303, but is not limited thereto.

[0450] Optionally, the above-mentioned transceiver module 4102 is used to perform communication steps such as sending and / or receiving in the above-mentioned perception reference signal sending method, such as at least one of step S2103, step S2201, step S2204, step S2301, and step S2304, but is not limited thereto.

[0451] In some embodiments, the processing module 4101 may be a single module or include multiple submodules. Optionally, the multiple submodules each execute all or part of the steps required to be executed by the processing module 4101. Optionally, the processing module 4101 may be interchangeable with the processor.

[0452] In some embodiments, the transceiver module 4102 may include a transmitting module and / or a receiving module, and the transmitting module and the receiving module may be separate or integrated. Optionally, the transceiver module 4102 may be interchangeable with a transceiver.

[0453] FIG4B is a schematic diagram of the structure of a cognitive receiver in a cognitive network according to an embodiment of the present disclosure. As shown in FIG4B , the cognitive receiver may include at least one of a processing module 4201 and a transceiver module 4202 .

[0454] In some embodiments, the processing module 4201 is used to determine a first position set and a second position set based on parameters used to determine subcarrier positions, and obtain a subcarrier position set based on the first position set and the second position set, wherein the first position set and the second position set are used to indicate subcarrier positions.

[0455] In some embodiments, the transceiver module 4202 is configured to receive a perception reference signal according to the subcarrier position indicated by the subcarrier position set.

[0456] In some embodiments, the parameters used to determine the subcarrier positions include:

[0457] The minimum frequency domain spacing K of the perceptual reference signal resource particles min , K min is a positive integer;

[0458] The first parameter N is a positive integer greater than 1.

[0459] In some embodiments, the processing module 4201 is configured to:

[0460] Based on the formula nK min , the variable n is from 0 to The first position set is obtained;

[0461] Based on the formula For variable n, take values ​​from 1 to The second position set is obtained;

[0462] in, Express Round down, Express Round up.

[0463] In some embodiments, the processing module 4201 is configured to:

[0464] Based on the formula nK min , the variable n is from 0 to The first position set is obtained;

[0465] Based on the formula For variable n, take values ​​from 1 to The second position set is obtained;

[0466] in, Express Round down, Express Round up.

[0467] In some embodiments, the processing module 4201 is configured to:

[0468] Based on the formula nK min , the variable n is from 0 to The first position set is obtained;

[0469] Based on the formula For variable n, take values ​​from 1 to The second position set is obtained;

[0470] in, Express Round down, Express Round up.

[0471] In some embodiments, the parameters used to determine the subcarrier position further include:

[0472] Offset, Offset is a non-negative integer.

[0473] In some embodiments, the processing module 4201 is configured to:

[0474] Based on the formula nK min +Offset, the variable n is from 0 to The first position set is obtained;

[0475] Based on the formula For variable n, take values ​​from 1 to The second position set is obtained;

[0476] in, Express Round down, Express Round up.

[0477] In some embodiments, the processing module 4201 is configured to:

[0478] Based on the formula nK min +Offset, the variable n is from 0 to The first position set is obtained;

[0479] Based on the formula For variable n, take values ​​from 1 to The second position set is obtained;

[0480] in, Express Round down, Express Round up.

[0481] In some embodiments, the processing module 4201 is configured to:

[0482] Based on the formula nK min +Offset, the variable n is from 0 to The first position set is obtained;

[0483] Based on the formula For variable n, take values ​​from 1 to The second position set is obtained;

[0484] in, Express Round down, Express Round up.

[0485] In some embodiments, the offset Offset includes at least one of the following:

[0486] The first offset k, k is less than K min A non-negative integer;

[0487] Second offset K offset , used to indicate the offset of the starting physical resource block of the perception reference signal relative to the common resource block 0, K offset It is a non-negative integer multiple of the number of subcarriers contained in the physical resource block.

[0488] In some embodiments, the last subcarrier position in the first position set is the same as the first subcarrier position in the second position set; or, all subcarrier positions in the first position set are different from all subcarrier positions in the second position set.

[0489] In some embodiments, the subcarrier positions indicated by the first position set are uniformly distributed, the subcarrier positions indicated by the second position set are uniformly distributed, and the subcarrier frequency domain spacing in the first position set is different from the subcarrier frequency domain spacing in the second position set, and the subcarrier positions indicated by the subcarrier position set are non-uniformly distributed.

[0490] In some embodiments, the processing module 4201 is configured to obtain the subcarrier position set by taking a union of the subcarrier positions in the first position set and the second position set.

[0491] In some embodiments, both the cognitive transmitter and the cognitive receiver in the cognitive network are base stations and the cognitive network adopts a distributed control mechanism.

[0492] In some embodiments, one of the cognitive transmitter and the cognitive receiver in the cognitive network is a base station, and the other is a terminal.

[0493] In some embodiments, both the cognitive transmitter and the cognitive receiver in the cognitive network are terminals.

[0494] According to the above embodiment, the transceiver module 4202 is used to receive at least one parameter sent by the sensing transmitter for determining the subcarrier position.

[0495] In some embodiments, both the cognitive transmitter and the cognitive receiver in the cognitive network are base stations and the cognitive network adopts a centralized control mechanism.

[0496] In some embodiments, the cognitive network includes multiple cognitive transmitters, and the multiple cognitive transmitters are all base stations, and the cognitive receiver in the cognitive network is a terminal.

[0497] According to the above embodiment, the transceiver module 4202 is used to receive at least one parameter sent by the core network for determining the subcarrier position.

[0498] Optionally, the transceiver module 4202 is configured to receive at least one parameter for determining a subcarrier position sent by a centralized control node in the core network.

[0499] Optionally, the transceiver module 4202 is used to receive at least one parameter sent by a core network element for determining a subcarrier position.

[0500] Optionally, the processing module 4201 is used to execute the steps in the perception reference signal receiving method, such as at least one of step S3101, step S3102, step S3202, step S3203, step S3302, and step S3303, but is not limited thereto.

[0501] Optionally, the above-mentioned transceiver module 4202 is used to perform communication steps such as sending and / or receiving in the above-mentioned perception reference signal reception method, such as at least one of step S3103, step S3201, step S3204, step S3301, and step S3304, but is not limited thereto.

[0502] In some embodiments, the processing module 4201 may be a single module or include multiple submodules. Optionally, the multiple submodules each execute all or part of the steps required to be executed by the processing module 4201. Optionally, the processing module 4201 may be interchangeable with the processor.

[0503] In some embodiments, the transceiver module 4202 may include a transmitting module and / or a receiving module, and the transmitting module and the receiving module may be separate or integrated. Optionally, the transceiver module 4202 may be interchangeable with a transceiver.

[0504] Figure 5 is a schematic diagram of the structure of an electronic device proposed in an embodiment of the present disclosure. Electronic device 5100 can be a cognitive transmitter for transmitting a perception reference signal, or a cognitive receiver for receiving a perception reference signal. Specifically, electronic device 5100 can be a network device (e.g., a base station) or a terminal. Electronic device 5100 can be used to implement the perception reference signal transmission method or perception reference signal reception method described in the above method embodiments. For details, please refer to the description of the above method embodiments.

[0505] As shown in Figure 5, electronic device 5100 includes one or more processors 5101. Processor 5101 can be a general-purpose processor or a dedicated processor, for example, a baseband processor or a central processing unit. Electronic device 5100 is configured to execute any of the aforementioned methods for transmitting and receiving a perceptual reference signal.

[0506] In some embodiments, the electronic device 5100 further includes one or more memories 5102 for storing instructions. Optionally, all or part of the memories 5102 may be located outside the electronic device 5100.

[0507] In some embodiments, the electronic device 5100 further includes one or more transceivers 5103. When the electronic device 5100 includes one or more transceivers 5103, the transceiver 5103 performs at least one of the communication steps such as sending and / or receiving in the above method (for example, step S2103, step S2201, step S2204, step S2301, step S2304, step S3103, step S3201, step S3204, step S3301, step S3304, but not limited thereto), and the processor 5101 performs at least one of the other steps (for example, step S2101, step S2102, step S2202, step S2203, step S2302, step S2303, step S3101, step S3102, step S3202, step S3203, step S3302, step S3303).

[0508] In some embodiments, a transceiver may include a receiver and / or a transmitter. The receiver and transmitter may be separate or integrated. Optionally, the terms transceiver, transceiver unit, transceiver, and transceiver circuit may be used interchangeably; the terms transmitter, transmitting unit, transmitter, and transmitting circuit may be used interchangeably; and the terms receiver, receiving unit, receiver, and receiving circuit may be used interchangeably.

[0509] In some embodiments, the electronic device 5100 may include one or more interface circuits 5104. Optionally, the interface circuit 5104 is connected to the memory 5102. The interface circuit 5104 may be configured to receive signals from the memory 5102 or other devices, or to send signals to the memory 5102 or other devices. For example, the interface circuit 5104 may read instructions stored in the memory 5102 and send the instructions to the processor 5101.

[0510] The electronic device 5100 described in the above embodiments may be a network device (e.g., a base station) or a terminal, but the scope of the electronic device 5100 described in the present disclosure is not limited thereto, and the structure of the electronic device 5100 may not be limited by FIG. 5 . The electronic device may be an independent device or may be part of a larger device. For example, the electronic device may be: 1) an independent integrated circuit IC, or a chip, or a chip system or subsystem; (2) a collection of one or more ICs, optionally, the above IC collection may also include a storage component for storing data or programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, a terminal device, an intelligent terminal device, a cellular phone, a wireless device, a handheld device, a mobile unit, an in-vehicle device, a network device, a cloud device, an artificial intelligence device, etc.; (6) others, etc.

[0511] The present disclosure further provides a storage medium having instructions stored thereon. When the instructions are executed on the electronic device 5100, the electronic device 5100 executes any one of the aforementioned methods for transmitting and receiving a perceptual reference signal. Optionally, the storage medium is an electronic storage medium. Optionally, the storage medium is a computer-readable storage medium, but is not limited thereto and may also be a storage medium readable by other devices. Optionally, the storage medium may be a non-transitory storage medium, but is not limited thereto and may also be a transient storage medium.

[0512] The present disclosure also provides a program product, which, when executed by an electronic device, enables the electronic device to perform any one of the above-mentioned methods for transmitting a sensing reference signal and receiving a sensing reference signal. Optionally, the program product is a computer program product.

[0513] The present disclosure also proposes a computer program, which, when executed on a computer, enables the computer to execute any one of the aforementioned methods for sending a perception reference signal and receiving a perception reference signal.

Claims

1. A method for sending a perception reference signal, characterized in that: The method is performed by a perceptual transmitter in a perceptual network, and includes: Determine a first position set and a second position set according to a parameter used to determine a subcarrier position, wherein the first position set and the second position set are used to indicate a subcarrier position; Obtain a subcarrier position set according to the first position set and the second position set; Sending a perception reference signal according to the subcarrier position indicated by the subcarrier position set; The parameters used to determine the subcarrier position include: The minimum frequency domain spacing K of the perceptual reference signal resource particles min , K min is a positive integer; The first parameter N is a positive integer greater than 1.

2. The method according to claim 1, characterized in that: The determining the first position set and the second position set according to the parameter used to determine the subcarrier position includes: Based on the formula nK min , the variable n ranges from 0 to integer, and obtain the first position set; Based on the formula For variable n, take values ​​from 1 to The second position set is obtained; in, Express Round down, Express Round up.

3. The method according to claim 1, characterized in that The determining the first position set and the second position set according to the parameter used to determine the subcarrier position includes: Based on the formula nK min , the variable n ranges from 0 to integer, and obtain the first position set; Based on the formula For variable n, take values ​​from 1 to The second position set is obtained; in, Express Round down, Express Round up.

4. The method according to claim 1, characterized in that: The determining the first position set and the second position set according to the parameter used to determine the subcarrier position includes: Based on the formula nK min , the variable n ranges from 0 to The first position set is obtained; Based on the formula For variable n, take values ​​from 1 to The second position set is obtained; in, Express Round down, Express Round up.

5. The method according to claim 1, characterized in that The parameters used to determine the subcarrier position also include: Offset Offset is a non-negative integer.

6. The method according to claim 5, characterized in that The determining the first position set and the second position set according to the parameter used to determine the subcarrier position includes: Based on the formula nK min +Offset, the variable n is from 0 to The first position set is obtained; Based on the formula For variable n, take values ​​from 1 to The second position set is obtained; in, Express Round down, Express Round up.

7. The method according to claim 5, characterized in that The determining the first position set and the second position set according to the parameter used to determine the subcarrier position includes: Based on the formula nK min +Offset, the variable n is from 0 to The first position set is obtained; Based on the formula For variable n, take values ​​from 1 to The second position set is obtained; in, Express Round down, Express Round up.

8. The method according to claim 5, characterized in that The determining the first position set and the second position set according to the parameter used to determine the subcarrier position includes: Based on the formula nK min +Offset, the variable n is from 0 to integer, and obtain the first position set; Based on the formula For variable n, take values ​​from 1 to The second position set is obtained; in, Express Round down, Express Round up.

9. The method according to any one of claims 5 to 8, characterized in that The offset Offset includes at least one of the following: The first offset k, k is less than K min A non-negative integer; Second offset K offset , used to indicate the offset of the starting physical resource block of the perceptual reference signal relative to the common resource block 0, K offset It is a non-negative integer multiple of the number of subcarriers contained in the physical resource block.

10. The method according to claim 1, characterized in that The last subcarrier position in the first position set is the same as the first subcarrier position in the second position set; or, All subcarrier positions in the first position set are different from all subcarrier positions in the second position set.

11. The method according to claim 1, characterized in that: The subcarrier positions indicated by the first position set are uniformly distributed, the subcarrier positions indicated by the second position set are uniformly distributed, and the subcarrier frequency domain spacing in the first position set is different from the subcarrier frequency domain spacing in the second position set, and the subcarrier positions indicated by the subcarrier position set are non-uniformly distributed.

12. The method according to any one of claims 1 to 11, characterized in that The obtaining a subcarrier position set according to the first position set and the second position set includes: A union of subcarrier positions in the first position set and the second position set is taken to obtain the subcarrier position set.

13. The method according to any one of claims 1 to 12, characterized in that The perceptual transmitter and the perceptual receiver in the perceptual network are both base stations and the perceptual network adopts a distributed control mechanism; the method further includes: At least one parameter for determining subcarrier positions is sent to the perceptual receiver.

14. The method according to any one of claims 1 to 12, characterized in that The perceptual transmitter and the perceptual receiver in the perceptual network are both base stations and the perceptual network adopts a centralized control mechanism; the method further includes: Receive at least one parameter sent by the core network for determining a subcarrier position.

15. The method according to any one of claims 1 to 12, characterized in that One of the perceptual transmitter and the perceptual receiver in the perceptual network is a base station, and the other is a terminal; the method further includes: At least one parameter for determining subcarrier positions is sent to the perceptual receiver.

16. The method according to any one of claims 1 to 12, characterized in that The perceptual network includes a plurality of perceptual transmitters, and the plurality of perceptual transmitters are all base stations, and the perceptual receiver in the perceptual network is a terminal; the method further includes: Receive at least one parameter sent by the core network for determining a subcarrier position.

17. The method according to any one of claims 1 to 12, characterized in that The perceptual transmitter and the perceptual receiver in the perceptual network are both terminals; the method further includes: At least one parameter for determining subcarrier positions is sent to the perceptual receiver.

18. A method for receiving a perceptual reference signal, characterized in that: The method is performed by a perceptual receiver in a perceptual network, and includes: Determine a first position set and a second position set according to a parameter used to determine a subcarrier position, wherein the first position set and the second position set are used to indicate a subcarrier position; Obtain a subcarrier position set according to the first position set and the second position set; receiving a perception reference signal according to a subcarrier position indicated by the subcarrier position set; The parameters used to determine the subcarrier position include: The minimum frequency domain spacing K of the perceptual reference signal resource particles min , K min is a positive integer; The first parameter N is a positive integer greater than 1.

19. The method according to claim 18, characterized in that The determining the first position set and the second position set according to the parameter used to determine the subcarrier position includes: Based on the formula nK min , the variable n ranges from 0 to The first position set is obtained; Based on the formula For variable n, take values ​​from 1 to The second position set is obtained; in, Express Round down, Express Round up.

20. The method according to claim 18, characterized in that The determining the first position set and the second position set according to the parameter used to determine the subcarrier position includes: Based on the formula nK min , the variable n ranges from 0 to The first position set is obtained; Based on the formula For variable n, take values ​​from 1 to The second position set is obtained; in, Express Round down, Express Round up.

21. The method according to claim 18, characterized in that The determining the first position set and the second position set according to the parameter used to determine the subcarrier position includes: Based on the formula nK min , the variable n ranges from 0 to The first position set is obtained; Based on the formula For variable n, take values ​​from 1 to The second position set is obtained; in, Express Round down, Express Round up.

22. The method according to claim 18, characterized in that The parameters used to determine the subcarrier position also include: Offset Offset is a non-negative integer.

23. The method according to claim 22, characterized in that The determining the first position set and the second position set according to the parameter used to determine the subcarrier position includes: Based on the formula nK min +Offset, the variable n is from 0 to The first position set is obtained; Based on the formula For variable n, take values ​​from 1 to The second position set is obtained; in, Express Round down, Express Round up.

24. The method according to claim 22, characterized in that The determining the first position set and the second position set according to the parameter used to determine the subcarrier position includes: Based on the formula nK min +Offset, the variable n is from 0 to The first position set is obtained; Based on the formula For variable n, take values ​​from 1 to The second position set is obtained; in, Express Round down, Express Round up.

25. The method according to claim 22, characterized in that The determining the first position set and the second position set according to the parameter used to determine the subcarrier position includes: Based on the formula nK min +Offset, the variable n is from 0 to The first position set is obtained; Based on the formula For variable n, take values ​​from 1 to The second position set is obtained; in, Express Round down, Express Round up.

26. The method according to any one of claims 22 to 25, characterized in that The offset Offset includes at least one of the following: The first offset k, k is less than K min A non-negative integer; Second offset K offset , used to indicate the offset of the starting physical resource block of the perceptual reference signal relative to the common resource block 0, K offset It is a non-negative integer multiple of the number of subcarriers contained in the physical resource block.

27. The method according to claim 18, characterized in that The last subcarrier position in the first position set is the same as the first subcarrier position in the second position set; or, All subcarrier positions in the first position set are different from all subcarrier positions in the second position set.

28. The method according to claim 18, characterized in that The subcarrier positions indicated by the first position set are uniformly distributed, the subcarrier positions indicated by the second position set are uniformly distributed, and the subcarrier frequency domain spacing in the first position set is different from the subcarrier frequency domain spacing in the second position set, and the subcarrier positions indicated by the subcarrier position set are non-uniformly distributed.

29. The method according to any one of claims 18 to 28, characterized in that The obtaining a subcarrier position set according to the first position set and the second position set includes: A union of subcarrier positions in the first position set and the second position set is taken to obtain the subcarrier position set.

30. The method according to any one of claims 18 to 29, characterized in that The perceptual transmitter and the perceptual receiver in the perceptual network are both base stations and the perceptual network adopts a distributed control mechanism; the method further includes: The receiver senses at least one parameter sent by the transmitter and used for determining the subcarrier position.

31. The method according to any one of claims 18 to 29, characterized in that The perceptual transmitter and the perceptual receiver in the perceptual network are both base stations and the perceptual network adopts a centralized control mechanism; the method further includes: Receive at least one parameter sent by the core network for determining a subcarrier position.

32. The method according to any one of claims 18 to 29, characterized in that One of the perceptual transmitter and the perceptual receiver in the perceptual network is a base station, and the other is a terminal; the method further includes: The receiver senses at least one parameter sent by the transmitter and used for determining the subcarrier position.

33. The method according to any one of claims 18 to 29, characterized in that The perceptual network includes a plurality of perceptual transmitters, and the plurality of perceptual transmitters are all base stations, and the perceptual receiver in the perceptual network is a terminal; the method further includes: Receive at least one parameter sent by the core network for determining a subcarrier position.

34. The method according to any one of claims 18 to 29, characterized in that The perceptual transmitter and the perceptual receiver in the perceptual network are both terminals; the method further includes: The receiver senses at least one parameter sent by the transmitter and used for determining the subcarrier position.

35. A sensing transmitter, characterized in that include: a processing module, configured to determine a first position set and a second position set according to a parameter used to determine a subcarrier position, and obtain a subcarrier position set according to the first position set and the second position set, wherein the first position set and the second position set are used to indicate a subcarrier position; a transceiver module, configured to send a perception reference signal according to the subcarrier position indicated by the subcarrier position set; The parameters used to determine the subcarrier position include: The minimum frequency domain spacing K of the perceptual reference signal resource particles min , K min is a positive integer; The first parameter N is a positive integer greater than 1.

36. A perceptual receiver, characterized in that include: a processing module, configured to determine a first position set and a second position set according to a parameter used to determine a subcarrier position, and obtain a subcarrier position set according to the first position set and the second position set, wherein the first position set and the second position set are used to indicate a subcarrier position; a transceiver module, configured to receive a perception reference signal according to a subcarrier position indicated by the subcarrier position set; The parameters used to determine the subcarrier position include: The minimum frequency domain spacing K of the perceptual reference signal resource particles min , K min is a positive integer; The first parameter N is a positive integer greater than 1.

37. An electronic device, characterized in that: include: one or more processors; The electronic device is used to execute the method for sending a perception reference signal according to any one of claims 1 to 17.

38. An electronic device, characterized in that: include: one or more processors; The electronic device is used to execute the perception reference signal receiving method described in any one of 18 to 34.

39. A perceptual network, characterized in that: include: A perceptual transmitter, configured to execute the perceptual reference signal sending method according to any one of claims 1 to 17; A perceptual receiver, configured to execute the perceptual reference signal receiving method according to any one of claims 18 to 34.

40. A storage medium storing instructions, characterized in that: When the instruction is executed on an electronic device, the electronic device executes the method for sending a perceptual reference signal according to any one of claims 1 to 17, or executes the method for receiving a perceptual reference signal according to any one of claims 18 to 34.

Images